netdev - Re: [PATCH next v3 1/3] ipvlan: scrub skb before routing in L3 mode.

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Message-ID: <CAM_iQpWnXjumJE8_7vqFa-rfw6zgRp+hw1e-duzmaqvWDsJ6Cw@mail.gmail.com>
Date:	Thu, 18 Feb 2016 16:44:21 -0800
From:	Cong Wang <xiyou.wangcong@...il.com>
To:	Mahesh Bandewar <maheshb@...gle.com>
Cc:	Mahesh Bandewar <mahesh@...dewar.net>,
	David Miller <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH next v3 1/3] ipvlan: scrub skb before routing in L3 mode.

On Thu, Feb 18, 2016 at 4:39 PM, Mahesh Bandewar <maheshb@...gle.com> wrote:
> [snip]
>>> -       skb_dst_drop(skb);
>>> +       skb_scrub_packet(skb, true);
>>
>> At least this patch is still same with the previous version. Or am I
>> missing anything?
>
>  xnet param is now set to 'true'.

Oh, I was suggesting to set xnet based on the netns of both ipvlan
device and physical device, not setting it to be true or false
unconditionally.

Something like:

xnet = !netns_eq(dev_net(ipvlan_dev), dev_net(phy_dev));

(not real code, just to show my idea)

Makes any sense?